23267567320507 has 2 divisors, whose sum is σ = 23267567320508. Its totient is φ = 23267567320506.

The previous prime is 23267567320469. The next prime is 23267567320511. The reversal of 23267567320507 is 70502376576232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23267567320507 is a prime.

It is not a weakly prime, because it can be changed into another prime (23267567320607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11633783660253 + 11633783660254.

It is an arithmetic number, because the mean of its divisors is an integer number (11633783660254).

Almost surely, 2^{23267567320507} is an apocalyptic number.

23267567320507 is a deficient number, since it is larger than the sum of its proper divisors (1).

23267567320507 is an equidigital number, since it uses as much as digits as its factorization.

23267567320507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22226400, while the sum is 55.

The spelling of 23267567320507 in words is "twenty-three trillion, two hundred sixty-seven billion, five hundred sixty-seven million, three hundred twenty thousand, five hundred seven".